diff options
author | Hans Goudey <h.goudey@me.com> | 2022-07-20 05:50:45 +0300 |
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committer | Hans Goudey <h.goudey@me.com> | 2022-07-20 05:50:45 +0300 |
commit | 8c5d90f5ce928e45249ddd9f642c24b6dd69d64c (patch) | |
tree | ccbbf8f065eadbe85cdc1f8d70a9d036e9c030b5 /source/blender/editors/mesh | |
parent | 111bf7d76b080555fd524b2b4a138bcad2e5b206 (diff) | |
parent | 215f805ce6b540177dedd71721e62c56a764a5ea (diff) |
Merge branch 'master' into temp-legacy-mesh-format-optiontemp-legacy-mesh-format-option
Diffstat (limited to 'source/blender/editors/mesh')
-rw-r--r-- | source/blender/editors/mesh/editface.cc | 51 | ||||
-rw-r--r-- | source/blender/editors/mesh/editmesh_utils.c | 228 |
2 files changed, 236 insertions, 43 deletions
diff --git a/source/blender/editors/mesh/editface.cc b/source/blender/editors/mesh/editface.cc index 69fe69fe117..b69cd8b8606 100644 --- a/source/blender/editors/mesh/editface.cc +++ b/source/blender/editors/mesh/editface.cc @@ -551,3 +551,54 @@ void paintvert_select_ungrouped(Object *ob, bool extend, bool flush_flags) paintvert_flush_flags(ob); } } + +void paintvert_hide(bContext *C, Object *ob, const bool unselected) +{ + Mesh *const me = BKE_mesh_from_object(ob); + + if (me == NULL || me->totvert == 0) { + return; + } + + for (int i = 0; i < me->totvert; i++) { + MVert *const mvert = &me->mvert[i]; + + if ((mvert->flag & ME_HIDE) == 0) { + if (((mvert->flag & SELECT) == 0) == unselected) { + mvert->flag |= ME_HIDE; + } + } + + if (mvert->flag & ME_HIDE) { + mvert->flag &= ~SELECT; + } + } + + BKE_mesh_flush_hidden_from_verts(me); + + paintvert_flush_flags(ob); + paintvert_tag_select_update(C, ob); +} + +void paintvert_reveal(bContext *C, Object *ob, const bool select) +{ + Mesh *const me = BKE_mesh_from_object(ob); + + if (me == NULL || me->totvert == 0) { + return; + } + + for (int i = 0; i < me->totvert; i++) { + MVert *const mvert = &me->mvert[i]; + + if (mvert->flag & ME_HIDE) { + SET_FLAG_FROM_TEST(mvert->flag, select, SELECT); + mvert->flag &= ~ME_HIDE; + } + } + + BKE_mesh_flush_hidden_from_verts(me); + + paintvert_flush_flags(ob); + paintvert_tag_select_update(C, ob); +} diff --git a/source/blender/editors/mesh/editmesh_utils.c b/source/blender/editors/mesh/editmesh_utils.c index 83968955583..ac5530c8ea9 100644 --- a/source/blender/editors/mesh/editmesh_utils.c +++ b/source/blender/editors/mesh/editmesh_utils.c @@ -593,13 +593,143 @@ UvMapVert *BM_uv_vert_map_at_index(UvVertMap *vmap, uint v) return vmap->vert[v]; } +#define INVALID_ISLAND ((unsigned int)-1) + +static void bm_uv_assign_island(UvElementMap *element_map, + UvElement *element, + int nisland, + uint *map, + UvElement *islandbuf, + int islandbufsize) +{ + element->island = nisland; + map[element - element_map->buf] = islandbufsize; + + /* Copy *element to islandbuf[islandbufsize]. */ + islandbuf[islandbufsize].l = element->l; + islandbuf[islandbufsize].separate = element->separate; + islandbuf[islandbufsize].loop_of_poly_index = element->loop_of_poly_index; + islandbuf[islandbufsize].island = element->island; + islandbuf[islandbufsize].flag = element->flag; +} + +static int bm_uv_edge_select_build_islands(UvElementMap *element_map, + const Scene *scene, + UvElement *islandbuf, + uint *map, + bool uv_selected, + int cd_loop_uv_offset) +{ + int totuv = element_map->totalUVs; + + /* For each UvElement, locate the "separate" UvElement that precedes it in the linked list. */ + UvElement **head_table = MEM_mallocN(sizeof(*head_table) * totuv, "uv_island_head_table"); + for (int i = 0; i < totuv; i++) { + UvElement *head = element_map->buf + i; + if (head->separate) { + UvElement *element = head; + while (element) { + head_table[element - element_map->buf] = head; + element = element->next; + if (element && element->separate) { + break; + } + } + } + } + + /* Depth first search the graph, building islands as we go. */ + int nislands = 0; + int islandbufsize = 0; + int stack_upper_bound = totuv; + UvElement **stack_uv = MEM_mallocN(sizeof(*stack_uv) * stack_upper_bound, + "uv_island_element_stack"); + int stacksize_uv = 0; + for (int i = 0; i < totuv; i++) { + UvElement *element = element_map->buf + i; + if (element->island != INVALID_ISLAND) { + /* Unique UV (element and all it's children) are already part of an island. */ + continue; + } + + /* Create a new island, i.e. nislands++. */ + + BLI_assert(element->separate); /* Ensure we're the head of this unique UV. */ + + /* Seed the graph search. */ + stack_uv[stacksize_uv++] = element; + while (element) { + bm_uv_assign_island(element_map, element, nislands, map, islandbuf, islandbufsize++); + element = element->next; + if (element && element->separate) { + break; + } + } + + /* Traverse the graph. */ + while (stacksize_uv) { + BLI_assert(stacksize_uv < stack_upper_bound); + element = stack_uv[--stacksize_uv]; + while (element) { + + /* Scan forwards around the BMFace that contains element->l. */ + if (!uv_selected || uvedit_edge_select_test(scene, element->l, cd_loop_uv_offset)) { + UvElement *next = BM_uv_element_get(element_map, element->l->next->f, element->l->next); + if (next->island == INVALID_ISLAND) { + UvElement *tail = head_table[next - element_map->buf]; + stack_uv[stacksize_uv++] = tail; + while (tail) { + bm_uv_assign_island(element_map, tail, nislands, map, islandbuf, islandbufsize++); + tail = tail->next; + if (tail && tail->separate) { + break; + } + } + } + } + + /* Scan backwards around the BMFace that contains element->l. */ + if (!uv_selected || uvedit_edge_select_test(scene, element->l->prev, cd_loop_uv_offset)) { + UvElement *prev = BM_uv_element_get(element_map, element->l->prev->f, element->l->prev); + if (prev->island == INVALID_ISLAND) { + UvElement *tail = head_table[prev - element_map->buf]; + stack_uv[stacksize_uv++] = tail; + while (tail) { + bm_uv_assign_island(element_map, tail, nislands, map, islandbuf, islandbufsize++); + tail = tail->next; + if (tail && tail->separate) { + break; + } + } + } + } + + /* The same for all the UvElements in this unique UV. */ + element = element->next; + if (element && element->separate) { + break; + } + } + } + nislands++; + } + BLI_assert(islandbufsize == totuv); + + MEM_SAFE_FREE(stack_uv); + MEM_SAFE_FREE(head_table); + + return nislands; +} + UvElementMap *BM_uv_element_map_create(BMesh *bm, const Scene *scene, - const bool face_selected, const bool uv_selected, const bool use_winding, const bool do_islands) { + /* In uv sync selection, all UVs are visible. */ + const bool face_selected = !(scene->toolsettings->uv_flag & UV_SYNC_SELECTION); + BMVert *ev; BMFace *efa; BMLoop *l; @@ -623,15 +753,21 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, /* generate UvElement array */ BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) { - if (!face_selected || BM_elem_flag_test(efa, BM_ELEM_SELECT)) { - if (!uv_selected) { - totuv += efa->len; - } - else { - BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) { - if (uvedit_uv_select_test(scene, l, cd_loop_uv_offset)) { - totuv++; - } + if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) { + continue; + } + + if (face_selected && !BM_elem_flag_test(efa, BM_ELEM_SELECT)) { + continue; + } + + if (!uv_selected) { + totuv += efa->len; + } + else { + BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) { + if (uvedit_uv_select_test(scene, l, cd_loop_uv_offset)) { + totuv++; } } } @@ -649,46 +785,48 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, "UvElement"); if (use_winding) { - winding = MEM_mallocN(sizeof(*winding) * totfaces, "winding"); + winding = MEM_callocN(sizeof(*winding) * totfaces, "winding"); } BM_ITER_MESH_INDEX (efa, &iter, bm, BM_FACES_OF_MESH, j) { - if (use_winding) { - winding[j] = false; + if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) { + continue; } - if (!face_selected || BM_elem_flag_test(efa, BM_ELEM_SELECT)) { - float(*tf_uv)[2] = NULL; - - if (use_winding) { - tf_uv = (float(*)[2])BLI_buffer_reinit_data(&tf_uv_buf, vec2f, efa->len); - } + if (face_selected && !BM_elem_flag_test(efa, BM_ELEM_SELECT)) { + continue; + } - BM_ITER_ELEM_INDEX (l, &liter, efa, BM_LOOPS_OF_FACE, i) { - if (uv_selected && !uvedit_uv_select_test(scene, l, cd_loop_uv_offset)) { - continue; - } + float(*tf_uv)[2] = NULL; - buf->l = l; - buf->separate = 0; - buf->island = INVALID_ISLAND; - buf->loop_of_poly_index = i; + if (use_winding) { + tf_uv = (float(*)[2])BLI_buffer_reinit_data(&tf_uv_buf, vec2f, efa->len); + } - buf->next = element_map->vert[BM_elem_index_get(l->v)]; - element_map->vert[BM_elem_index_get(l->v)] = buf; + BM_ITER_ELEM_INDEX (l, &liter, efa, BM_LOOPS_OF_FACE, i) { + if (uv_selected && !uvedit_uv_select_test(scene, l, cd_loop_uv_offset)) { + continue; + } - if (use_winding) { - luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset); - copy_v2_v2(tf_uv[i], luv->uv); - } + buf->l = l; + buf->separate = 0; + buf->island = INVALID_ISLAND; + buf->loop_of_poly_index = i; - buf++; - } + buf->next = element_map->vert[BM_elem_index_get(l->v)]; + element_map->vert[BM_elem_index_get(l->v)] = buf; if (use_winding) { - winding[j] = cross_poly_v2(tf_uv, efa->len) > 0; + luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset); + copy_v2_v2(tf_uv[i], luv->uv); } + + buf++; + } + + if (winding) { + winding[j] = cross_poly_v2(tf_uv, efa->len) > 0; } } @@ -771,6 +909,15 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, island_number = MEM_mallocN(sizeof(*island_number) * totfaces, "uv_island_number_face"); copy_vn_i(island_number, totfaces, INVALID_ISLAND); + const bool use_uv_edge_connectivity = scene->toolsettings->uv_flag & UV_SYNC_SELECTION ? + scene->toolsettings->selectmode & SCE_SELECT_EDGE : + scene->toolsettings->uv_selectmode & UV_SELECT_EDGE; + if (use_uv_edge_connectivity) { + nislands = bm_uv_edge_select_build_islands( + element_map, scene, islandbuf, map, uv_selected, cd_loop_uv_offset); + islandbufsize = totuv; + } + /* at this point, every UvElement in vert points to a UvElement sharing the same vertex. * Now we should sort uv's in islands. */ for (i = 0; i < totuv; i++) { @@ -798,13 +945,8 @@ UvElementMap *BM_uv_element_map_create(BMesh *bm, if (element->l->f == efa) { /* found the uv corresponding to our face and vertex. * Now fill it to the buffer */ - element->island = nislands; - map[element - element_map->buf] = islandbufsize; - islandbuf[islandbufsize].l = element->l; - islandbuf[islandbufsize].separate = element->separate; - islandbuf[islandbufsize].loop_of_poly_index = element->loop_of_poly_index; - islandbuf[islandbufsize].island = nislands; - islandbufsize++; + bm_uv_assign_island( + element_map, element, nislands, map, islandbuf, islandbufsize++); for (element = initelement; element; element = element->next) { if (element->separate && element != initelement) { |